Anthropic's fast, low-cost Claude Haiku for high-volume work, succeeding Claude Haiku 4.5.
Microsoft's compact research model with strong STEM reasoning.
No shared demos for these models yet.
No captured outputs for these models yet.
Both Claude Haiku 5.5 and Phi 4 are capable AI models. The best choice depends on your specific use case: consider pricing, context window, speed, and which capabilities (vision, reasoning, audio) you need.
Phi 4 has a lower blended cost. Claude Haiku 5.5: $0.10 input / $0.50 output. Phi 4: $0.07 input / $0.14 output.
Claude Haiku 5.5 has a larger context window: Claude Haiku 5.5 supports 1M tokens vs Phi 4 at 16K tokens.
Claude Haiku 5.5 supports vision/image input, but Phi 4 does not.
Key differences: only Claude Haiku 5.5 supports vision input; only Claude Haiku 5.5 offers extended reasoning mode. Compare full specs on this page.
If cost is your priority, choose the cheaper option. If you need the highest intelligence for complex tasks, pick the higher-scoring model. For long documents or codebases, choose the larger context window. You can try both Claude Haiku 5.5 and Phi 4 for free on idapt.app to see which performs better for your specific needs.